#include "process.h"
#include <unistd.h>
#include <string.h>

#define STYLE '='
#define SIZE 101

//v2:根据进度，动态刷新一次进度条
void FlushProcess(double total,double current)
{
    const char* lable = "|/-\\";
    int len = strlen(lable);
    static int index = 0;    

    char buffer[SIZE];
    memset(buffer,0,sizeof(buffer));

    double rate = current*100 / total;
    int num =(int)(rate);

    int i = 0;
    for(;i < num ; i++)
        buffer[i] = STYLE;

    printf("[%-100s][%.1lf%%][%c]\r",buffer,rate,lable[index++]);
    fflush(stdout);
    index %= len;
    
    if(num >= 100)
        printf("\n");
}



//v1:展示进度条的基本功能
void process()
{
   int rate = 0;
   char buffer[SIZE]; 
   memset(buffer , 0 , sizeof(buffer));
   const char * lable = "|/-\\";
   int len = strlen(lable);

    while(rate <= 100)
    {
        printf("[%-100s][%d%%][%c]\r",buffer,rate,lable[rate%len]);
        fflush(stdout);
        buffer[rate] = STYLE;
        rate++;
        usleep(50000);       
   }
    printf("\n");
}
